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This is the excellent USB power pack I use when I travel.

2 x 2.1amp outputs. 8400mAh capacity.

Two digit Led display shows battery level

 

What SD CARD should I buy?

If you want an SD Card for your camera - these are the ones I use and recommend. 

I'd strongly recommend not to buy any SD cards off ebay - I've heard about too many issues with counterfeit cards - often sold on by unwitting resellers. My inbox regularly gets messages from people who bought a £150 camera then cheaped out and bought a £3 memory card on ebay - Then when it doesn't worth they blame the camera! It doesn't make any sense. Good memory is cheaper than it's ever been - see the links above.

A lot of HD cameras will not work properly with cards larger than 32GB (cards over 32GB are usually SDXC rather than the SDHC standard used by 32GB cards. SDXC cards use the ex-FAT system rather than FAT32 - in short they are a different standard). - so don't just buy the biggest card you can afford - read the specs in the manual to see what it accepts.

UK & US LINKS & PRICES BELOW

RECOMMENDED CARDS (for action cams - see dashcams below)

CLASS 10 UHS-1 CARDS (For HD Cameras)

 

U3 CARD (For 4K cameras)

 

 

SPECIAL DASHCAM CARDS

The SD card in a dashcam is re-written over, more frequently than in other types of cameras. Some manufacturers void their guarantee if an SD card was used in a dashcam. So, no surprise, there are special High Endurance SD cards made just for dashcams...here's some.

 

VERY IMPORTANT. These links take you to the product, however Amazon have three different ways of selling. There's Amazon Direct - This means that you are only dealing with Amazon themselves, then there's other sellers that use Amazon's facilities - these show as Fulfilled By Amazon and finally there's Market Place sellers that advertise on Amazon, but operate independently.  I strongly recommend that you only use the first...the Amazon Direct - Sold By Amazon option. Even if it appears that you are paying a couple of £/$ more it is more than likely you are comparing the price of a real item against the price of a fake.

To give you an idea of the extent of the fake goods problem. In a 2016 survey by Apple - 90% of the 'Apple' chargers sold through Amazon - using the other the two methods..which includes the "Fulfilled by Amazon" option -  were found to be counterfeit....90%! 

            

 
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Sunday
Nov232014

The 'Sinclair' Spectrum Analyser

After last week's epic 30 minute video I needed to take a bit of time off and do something far less complicated. So I ended up spending Saturday afternoon repurposing a broken pocket TV to hold a mini music visualiser....and accidentally created the world's first Sinclair Spectrum Analyser.

More info about the spectrum analyzer I used is in its ebay auction (click here) and once that has sold you can see what the designer (Digital Love) currently has for sale here.  I operate mine by sending it audio from the second tape output on my vintage amp but I noticed that the design of the device has recently been updated and now incorporates an audio output so it's easier to integrate into more modern systems. 

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Reader Comments (7)

I really like that, such a brilliant way to breathe life back into the housing of old & broken technology. Colouring in the Sinclair logo was a nice touch, similar to what they did on the ZX Spectrum+, +2 & +3 models.

Incedentally if you do have a pocket TV here in the UK that doesn't have A/V in then it can still be used, you just need to get hold of an old type of TV sender device that transmits on plain UHF instead of the usual 2.4GHZ that almost all TV senders now use. Though that is easier said than done because they're quite rare nowadays.

November 24, 2014 | Unregistered CommenterHaku

A true Renaissance man.

November 24, 2014 | Unregistered CommenterChris

That is ace.

I've been wondering what to do with my ZX81 and Velcro RAM pack

My wife has suggested velcroing a Casio keyboard on to it (according to her the ZX81 was good for keyboard stuff)

My thoughts are - that once I can beat it at 1K chess, then I can mount it by the front door as a retro-smart-house-door-bell

November 27, 2014 | Unregistered Commenterlagerstarfish

Fun idea. For some reason I let the whole Sinclair thing pass me by. I suppose because I was already being let loose on mainframes and I wanted large hairy bikes more than small plastic boxes. Times change.

November 28, 2014 | Unregistered CommenterChris

Am I herping the derp, or has the video for this vanished from YouTube? Crazy copyright claims?

November 29, 2014 | Unregistered CommenterRogerborg

@Rogerborg, something's gone a bit skewif, not sure why the embedded video on this page is saying it's been removed by the user (when it hasn't), try this direct YouTube link:

http://www.youtube.com/watch?v=MdUcQmuLrfA

December 1, 2014 | Unregistered CommenterHaku

Ha ha, very good video, Mat - though you were lucky not to cause yourself a bit of damage cutting holes with that tool, without using a vice. :)

December 3, 2014 | Unregistered CommenterQuaser

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